[tex-live] texdoc in luatex

Heiko Oberdiek oberdiek at uni-freiburg.de
Tue Jun 26 14:56:17 CEST 2007

On Tue, Jun 26, 2007 at 12:57:36PM +0200, David Kastrup wrote:

> "Martin Schröder" <martin at oneiros.de> writes:
> > 2007/6/26, Frank Küster <frank at kuesterei.ch>:
> >> > Decompressing pdfs on the fly will cost time as PDFs have to be
> >> > decompressed completely before they can be read (unless they are
> >> > linearized).
> >>
> >> Is that a real problem on an installed system or the Live DVD?
> >
> > Always. Non-linearized pdfs are first read from the end to find the
> > xref table, and then you access indivial objects. So you need tmp
> > space (either in memory or on disc) -- you can't work on streams. For
> > linearized pdfs this is different, but since almost nobody produces
> > them (pdftex doesn't) we can ignore them.
> Presumably whoever chose a procedure for gzipping PDFs could include a
> linearization step, too.  But this would not help much unless one was
> only interested in linear access (like when printing without
> previewing).

And it is pointless if the PDF reading application is not able
to read the PDF file in linear access (most applications are
not able to read the PDF file this way).

Yours sincerely
  Heiko <oberdiek at uni-freiburg.de>

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